[" If "f:R rarr R&f(x)=(sin([x]pi))/(x^(...

[" If "f:R rarr R&f(x)=(sin([x]pi))/(x^(2)+2x+3)+2x-1+sqrt(x(x-1)+(1)/(4))" (where "[x]" denotes integral part of "x" ),then "],[f(x)" is - "],[[" (A) one-one but not onto "," (B) one-one & onto "],[" (C) onto but not one-one "," (D) neither one-one nor onto "]]

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